21.   There is no proven link between childhood vaccine for measles, mumps and rubella and the neurological disorder autism, a report concludes.

n. + vaccine >>共 129
anthrax 15.08%
flu 13.66%
smallpox 13.18%
polio 10.57%
cancer 3.80%
childhood 2.49%
influenza 2.38%
rabies 2.26%
malaria 2.02%
pertussis 1.78%
childhood + n. >>共 426
friend 12.61%
memory 5.66%
home 5.26%
dream 4.22%
education 3.28%
experience 2.88%
disease 2.63%
cancer 2.38%
sweetheart 2.18%
abuse 1.99%
vaccine 1.04%
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